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NaoH and Na_(2)CO_(3) are dissolved in 200 ml aqeous solution. In the presence of phenolpthaleim indicator, 17.5 ml of 0.1 HCl are used to titrated this solution. Now methyl orange is addedin the same solution titrated and requires 2.5 ml of the same HCl. Calculate the normality of NaOH & NaCO_(3). |
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Answer» `0.5, 1.5/200` |
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